Find the area of a sector of a circle whose diameter is 21 cm and whose central angle is 10 degrees

Answers

Answer 1

Answer:

Area 38.484510 dm^2 (square decimeters)

Step-by-step explanation:

Related Questions

Look at the expression below.
5(x + 7)^1/3
Which of the following best describes the expression?
O the third power of the product of 5 and (x + 7)
O the product of 5 and the cube root of (x + 7)
the product of 5 and the third power of (x + 7)
O the cube root of the product of 5 and (x + 7)

Answers

Answer:

the product of 5 and the Cubic root of ( X+7)

What is 16 percent of 4?

Answers

Answer:

0.64

Step-by-step explanation:

% besically means out of 100 so:

16/100 times 4

64/100

0.64

16 percent of 4 is 0.64

Help please I really need it

Answers

Answer:

Its the first one

Step-by-step explanation:

Answer:

Step-by-step explanation:

HELP!The equation 21+0.25p=c gives the cost c in dollars that a store charges to deliver an appliance that weighs p pounds. Use the equation and a table to find the weight of an appliance that costs $56 to deliver.

Answers

Answer:

Step-by-step explanation:

It’s 35! Sorry if this is late :’)

Please help i give brainest

Answers

Answer:

Step-by-step explanation:

E is 10 plus the 5

What is the sum of 3x² - x -2 and x² + 2x - 1?

Answers

Line the equations up based on their common factor. Keep in mind the X has an understood 1 in front of it if there is no coefficient. So, X = (1)X. Add them up as shown in the picture.

3x^2 + (1)x^2 = 4x^2

-(1)x + 2x = (1)x

-2 + -1 = -3

Then put these in order based on their variable (same order as in the original equations) don’t include the understood one when writing your final equation as some teachers may take off points for it.

Final answer= 4x^2 + x - 3

Answer:

Step-by-step explanation:

We can combine like terms in order to find this sum: 3x^2 + x^2 +2x -x -2-1= 2x^2 +x -3.

Solve for brainliest

Answers

The scale factor is 4

y = -4× - 5
y = -4× + 5

Answers

Answer:

No Solution

Step-by-step explanation:

None

What is the question for this?

Triangle ABC,AB=BC=AC=A find A

Answers

Answer:

180/3 = 60

Step-by-step explanation:

1. Triangle ABC is similar to triangle DEF.
D
А
80
4 cm
B
С
10 cm
20 cm
E
What is the measure of ZD?

Answers

Answer:

m∠D = 80°

Step-by-step explanation:

In similar triangles corresponding angles have the same measure.

!!!!!!!HELP!!!!!!!
A teacher chooses a student at random from a class of 18 boys and 15 girls. Find the odds in favor of, and the odds against, each event.

14. choosing a girl

15. choosing a boy

Answers

Odds in favor of 14) 15/33
Odds against 14) 18/33
Odds in favor of 15) 18/33
Odds against 15) 15/33

The circumference of a circle is 17π ft. What is the area, in square feet? Express your answer in terms of \piπ.

Answers

The answer for this question is 72.25pi

The area of the circle is 72.25π ft².

What is Surface Area?

For each three-dimensional geometrical shape, surface area and volume are determined. The area or region that an object's surface occupies is known as its surface area. Volume, on the other hand, refers to how much room an object has.

As per the given data:

circumference of a circle = 17π ft

To find the area of the square:

Area = πR²

For radius (R):

2πR = 17π

R = (17/2) ft

Area = π(17/2)²

= 72.25π ft²

Hence, the area of the circle is 72.25π ft².

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Many states have a meal tax that is proportional
to the total spent on food and beverage. In one
state, the meal tax is 8.22 How much tax will
a customer pay if the food and beverages total
is $23

Answers

$24.89

23x0.0822=1.89
23+1.89=24.89

The answer is 24.89 since you multiply and then add

Can you please ans quicklyyy

Answers

5 (9a^2 - b^2) -33a + 11b +2
45a^2 - 5b^2 -33a + 11b +2

Plz help in my last question

Answers

Answer:

where is the question, lady?

Answer:

Where is the question??

1. Five times the difference of a number and three is 26. Write and solve an equation to find the value of the number.

Answers

Answer:

5(7-1.8)=26

Step-by-step explanation:

Correct option is A)
Let two numbers be x & y
x−y=26 ____ (1)
x=3y ____ (2)

substituting (2) in (1) we get
3y−y−26
2y=26
y=13
x=3y from (2)
x=3×13
x=39
we need to find sum of two numbers
x+y=39+13
=52

can someone pls help me w this

Answers

the answer is 10 i think

Complete the sentence below using one of the words. 'Power, Base, Exponent'
The number 1,000,000 is a(n) ______ of 10

Answers

The number 1000000 is a 6 power of 10

Given,

The number = 1000000

Then,

[tex]10^{x}[/tex]= 1000000

[tex]10^{x}=10^{6}[/tex]

x=6

Hence, the number 1000000 is a 6 power of 10

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Andre’s group was asked to write an expression equivalent to 5 p squared q + 7 p q squared minus 10. When Ms Berger checked their answers, she found only one to be correct. Who had the correct answer?

Andre’s Group
Student
Equivalent Expression
Andre
7 p squared q + 7 p q squared minus 1 minus 2 p squared q minus 9
Jill
5 p squared q + 2 p q squared minus 6 + 5 p q squared minus 3
Anuj
4 p squared q + 7 p q squared minus 7 + 2 p squared q minus 3
Marsha
5 p squared q + 5 p q squared minus 10 + 3 p q squared

Andre
Jill
Anuj
Marsha

Answers

Answer:

Andre

7 p squared q + 7 p q squared minus 1 minus 2 p squared q minus 9

Step-by-step explanation:

5 p squared q + 7 p q squared minus 10.

5p²q + 7pq² - 10

7 p squared q + 7 p q squared minus 1 minus 2 p squared q minus 9

7p²q + 7pq² - 1 - 2p²q - 9

5p²q + 7pq² - 10

Jill

5 p squared q + 2 p q squared minus 6 + 5 p q squared minus 3

5p²q + 2pq² - 6 + 5pq² - 3

5p²q + 7pq² - 9

Anuj

4 p squared q + 7 p q squared minus 7 + 2 p squared q minus 3

4p²q + 7pq² - 7 + 2p²q - 3

6p²q + 7pq² - 10

Marsha

5 p squared q + 5 p q squared minus 10 + 3 p q squared

5p²q + 5pq² - 10 + 3pq²

5p²q + 8pq² - 10

The correct answer is:

Andre

7 p squared q + 7 p q squared minus 1 minus 2 p squared q minus 9

7p²q + 7pq² - 1 - 2p²q - 9

5p²q + 7pq² - 10

Answer:

Its andre, Plz give the other guys brainly

Step-by-step explanation:

your friend used long division and concluded that the decimal expansion for 1 /6 is 6

Answers

Answer:

6/15 ( by cancelling with table 3 ) 2/5 ( prime factors of 5 is 5 × 1 ) so we can write 2/5 as 2/5 ×2/2 we get 4/10 and the answer is 0.4 hope it is helpful thankyou

Step-by-step explanation:

Answers

I think it’s d but I’m not sure

Help me Asap plsss help me

Answers

Answer:

(5, 6)

Step-by-step explanation:

We can first find the midpoint by adding the two y values and dividing them by 2

3 + 9 = 12. 12/2 is 6. (2, 6) is the midpoint.

2 units to the right is on the x value, so 2+3 is 5. Put it all together and;

(5, 6)

What is the image of the point (-1,-3) after a rotation of 90 ∘ counterclockwise about the origin?

Answers

Answer:

(-3,1)

Step-by-step explanation:

2х - Зу = 32
x + 4у = -20

solve the system of equations

Answers

Answer: x=68/11 and y=-72/11

Steps:

2(x+4y=-20)

2x+8y=-40

2x - 3y = 32
- 2x + 8y = -40

-11y=72

y=-72/11

x + 4(-72/11) = -20

x - 288/11 = -20

x=68/11

what is 35 rounded to the hundreds place

Answers

Answer:

350

Step-by-step explanation:

Answer:35

Step-by-step explanation:

Please answer quickly its a test and i need to get a good grade on it, will give brainliest

What was an important impact of the Louisiana Purchase?

A. The land size of the United States was doubled and vast new resources were acquired.

B. The United States was pushed into a long, costly war with the Indian tribes in the territory.

C. The United States became a major world power rivaling Great Britain in wealth and influence.

D. The people of the United States began an immediate land rush into the territory to form new states.

Answers

I think the answer is A because it I'm right it did double the size.

What is the solution to the equation –3.5(x + 12) = –2x + 18?

Answers

Answer:

x = -4.36364

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to Right

Equality Properties

Step-by-step explanation:

Step 1: Define Equation

3.5(x + 12) = -2x + 18

Step 2: Solve for x

Distribute 3.5: 3.5x + 42 = -2x + 18Add 2x on both sides: 5.5x + 42 = 18Isolate x term: 5.5x = -24Isolate x: x = -4.36364

Answer:

The answer I arrived at was x = -4.364

Step-by-step explanation:

3.5(x + 12) = -2x + 18

=> multiply 3.5 by everything in parenthesis

3.5x + 42 = -2x + 18

=> subtract 18 from both sides

3.5x + 24 = -2x

=> subtract 3.5x from both sides

24 = -5.5x

=> divide both sides by -5.5

-4.364 = x

A customer purchased a total of 12 coats and sweaters. Each coat cost $20.00 and each sweater cost $13.50. The customer spent $207.50 all together.

How many coats did the customer buy?

Answers

Answer:

7 coats

Step-by-step explanation:

they purchased 7 coats and 5 sweaters

if there is a matrix, which is 3x8, and 3 columns are linear dependent, then can it be full rank? if not, what rank is it?

Answers

The matrix 3 x 8 is a full rank matrix.

Matrix:

Matrix are a set of numbers arranged in rows and columns so as to form a rectangular array. The numbers are called the elements, or entries, of the matrix.

Full rank matrix:

The rank of a matrix is the maximum number of its linearly independent rows.

Based on that, A full rank matrix is one which has linearly independent rows or/and linearly independent columns.

Given,

There is a matrix, which is 3x8, and 3 columns are linear dependent

Her we need to check whether the matrix is full rank or not.

We know that, the matrix is 3 x 8,

And 3 column are linear dependent,

Based on the following condition,

An m×n matrix with m<n , then it has full rank when its m are linearly independent.

So, the given matrix 3 x 8 is the full rank matrix.

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HELP ME ASAP!!!! 80 points

Answers

Answer:

y = x + 3

Step-by-step explanation:

proportional equation

Answer: y = x + 3

Step-by-step explanation: This is a proportional equation.

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